脱水硬化的石灰膏只能降级使用。( )
参考答案:错
根据句意,用 take care 或take care of 填空,补全句子。
1. _____ not to wake up the baby.
2. Our monitor _____ us like our elder brother.
3. _____ ! The bus is coming.
4. Now she is _____ the luggage.
卵巢交界性浆液性囊腺瘤的特点是()
A. * * 上皮可出现黏液上皮化生
B. * * 上皮呈2~3层排列
C.核有轻度异型,分裂像偶见
D.有间质浸润
E.属于潜在恶性肿瘤